
Marion township
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 15.078
- State:
- Pennsylvania
Marion township is located in Franklin County, Pennsylvania. Marion township has a 2025 population of 1,937. Marion township is currently growing at a rate of 0.1% annually and its population has increased by 5.21% since the most recent census, which recorded a population of 1,841 in 2020.
The average household income in Marion township is $91,173 with a poverty rate of 6.49%. The median age in Marion township is 44.3 years: 44.7 years for males, and 43.6 years for females.